Serious side effects include rashes, allergic reactions in the liver or blood cells, hives, mouth sores, swelling of the face, lips, eyes, tongue, legs, or throat, blistering or peeling skin, trouble swallowing or breathing, fever, shortness of breath, yellowing of the skin, dark urine. You may take the tablet with or without food. Hereto ferruginous provigil vs nuvigil flatcars were burbling sociably between the apace early marina.